/**
 * @author Rudy Kaplan Depena (The University of Texas at Austin)
 */
package com.utaustin.mirankerlab.ultrawrap.compiler.expressionTree.sparql;

/** The Union of two Operands */
public class Union extends Operator {

	/**
	 * Default Constructor
	 */
	public Union() { super(); }
	
	/**
	 * String representation of Union
	 * @param String
	 */
	public String toString(){ return "Union (" + this.getLeftChild()+  ", " + this.getRightChild() + ")"; } 

}
